Polygon fixed security flaws in two hard forks before disclosure. MATIC trades at $0.45 with bearish EMA structure and MACD death cross on 4h chart.

According to ZachXBT, Coinbase's system has significant security flaws that make it vulnerable to scams, posing a risk to users. This could influence traders' trust and affect trading volumes on the platform, as security concerns are paramount for cryptocurrency exchanges (source: ZachXBT).